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Kubota G2000 Troubleshooting
The
Kubota G2000 garden tractor was manufactured between 1989 and 1997. The
components of Kubota G2000 powerline system: Kubota WG750 4-cycle 3-cylinder
water cooled gasoline engine and hydrostatic transmission with infinite forward
and reverse gears.
A 45.2 cubic inches (740 cc) engine has a cylinder bore of 2.68" (68
mm), piston stroke of 2.68" (68 mm), and rated power of 18.8 hp (14 kW).
Max forward speed - 8.1 mph (13 km/h), maximum reverse speed - 3.7 mph
(6 km/h).
The Kubota G2000 was equipped with a manual steering system, internal
expanding shoe brakes, 16x6.50-8 front tires, and 23x8.50-12 or
23x10.50-12 rear tires. The wheel base is 50" (1270 mm). Compatible
attachments for the tractor: a 48" mid-mount 3-blade Kubota RC48 mower
deck with cutting height of 1.4-3.5" (35-90 mm), 54" mid-mount 3-blade
Kubota RC54 mower deck with cutting height of 1.5-4.0" (37-102 mm), 60"
mid-mount 3-blade Kubota RC60 mower deck with cutting height of 1.5-4.0"
(37-102 mm), 48" front-mount Kubota TG2001 blade, and 54" front-mount
Kubota TG2754 blade.
| Engine Troubleshooting |
| Engine will not start or hard to start |
| Empty fuel tank - Fill it up |
| Wrong grade of gasoline - Use quality gasoline |
| Air trapped in fuel system - Bleed air |
| Spark plug wire connection are damaged - Inspect spark plug wiring connection, change or repair |
| Damaged spark plug - Change spark plug as required |
| Fuel filter is plugged - Change fuel filter |
| Safety contact for brake pedal defective - Install new part |
| Incorrect carburetor adjustment - Adjust carburetor idle mixture screw |
| Weak cylinder compression - Inspect cylinder block and change worn parts |
| Incorrectly adjusted or damaged throttle cable - Change cable or adjust properly |
| Air intake screen is blocked - Need to clean or wash |
| Defective ignition - Check ignition and replace faulty components |
| Stuck or faulty choke cable - Change or clean the cable |
| Air filter element is clogged - Replace or clean air filter |
| Fuel pump is damaged or dirty - Check fuel pump and change if required |
| Engine starts and stops suddenly |
| Faulty spark plug - Change spark plug as required |
| Faulty or clogged carburetor - Clean or change carburetor |
| Damaged ignition coil - Change ignition coil as required |
| Loose or broken valve springs - New valve springs need to be installed |
| Valves sticking - Service the valves |
| Engine oil level low - Checking oil level and add if necessary |
| Engine is running overloaded - Reduce load |
| Clogged cooling fins - Clean and wash as required |
| Too lean carburetor mixture - Adjust carburetor correctly |
| Improper ignition timing - Adjust ignition timing as required |
| Valve setting is wrong - Valves needs to be adjusted properly |
| Low octane gasoline - Use correct gasoline |
| Excessive engine load - Reduce the load |
| Not enough engine oil - Need to add engine oil |
| Incorrect low idle setting - Test and adjust |
| Fuel pump is dirty or defective - Service or replace fuel pump |
| Main bearings or crankshaft failure - Replace crankshaft or bearings |
| Valve clearance is incorrect - Adjust to proper valve clearance |
| Damaged piston rings or cylinder bore - Replace defective components |
| Carburetor is improperly adjusted or clogged - Clean or properly adjust carburetor |
| Dirty air filter element - Service or change air filter |
| Dirty or damaged fuel pump - Check fuel pump and replace if necessary |
| Defective ignition - Inspect ignition system and change faulty parts |
| Defective cylinder head gasket - Replace the head gasket |
| Stuck or burned valves - Replace or clean valves |
| Worn or damaged push rod - Change push rod |
| Faulty cylinder block components - Change defective components |
| Excessive fuel consumption |
| Choke opening is not full - Replace or adjust choke cable |
| Carburetor main jet adjustment is incorrect - Adjust it correctly |
| Spark plug is defective or loose - Re-tighten or replace spark plug |
| Valves are stuck, burned, or worn - Service or replace valves |
| Worn rings, piston, or sleeve - Replace defective components |
| Valve clearance is improper - Check and adjust |
| Excessive engine oil consumption |
| Damaged gaskets or seals - Change worn parts according to specifications |
| Valve stems or guides are damaged - Change the valves |
| Piston rings are stuck or worn - Replace piston rings |
| Scuffed cylinder liner or piston - Inspect piston and liner, change as required |
| Breather pipe or hose is blocked - Clean or change |
| Hydrostatic Transmission Troubleshooting |
| HST transmission makes excessive noise |
| Worn or unadjusted speed control linkage - Adjust or repair linkage |
| Excessive loading - Reduce the load is required |
| Low transmission oil level or contaminated oil - Add oil to the correct level or fill the transmission with fresh oil |
| Transmission components are damaged or worn - Replace or repair defective components |
| Shift linkage is rusty or worn - Lubricate or replace the linkage |
| Stuck or defective hydrostatic pump - Replace or repair pump |
| Faulty or misadjusted transmission shift control parts - Change or adjust correctly |
| Transmission fluid level is low - Need to add transmission fluid |
| Faulty or worn drive sheave - Change sheave |
| Shifting linkage is broken or misadjusted - Replace or adjust linkage |
| Speed control linkage is defective or unadjusted - Adjust or repair linkage |
| Transmission seals or gaskets are broken - Install new seals or gaskets |
| Final drive shaft is leaking - Install new shaft seals |
| Cracked transmission case - Change broken case |
| Mower Deck Troubleshooting |
| Mower vibration is excessive |
| Damaged or clogged mower drive pulley - Service or replace pulley |
| Worn or loose drive belt - Change belt or adjust belt tension |
| Not balanced or bent mower blades - Balance or replace blades |
| Blade mounting bolts are loose - Bolts need to be tightened |
| Discharge chute is regularly plugged |
| High ground speed - Operate at slower speed |
| Grass is too high - Adjust mower to lower cutting height |
| Engine rpm is too low - Open throttle fully |
| Cutting level is too low - Need to set high cutting height |
| Drive belt installed improperly - Install drive belt as required |
| Lawn mower leaving uncut grass |
| Cutting deck clogging - Mower deck needs to be cleaned |
| Blades are too dull - Blades need to be sharpened |
| Defective or worn blades - Install new blades |
| Mowing speed is too high - Operate at slower speed |
| Cutting level is too low - Use correct cutting height |
| Full bagger - Bagger must be empty |
| Lawn is not level or bumpy - Level the lawn |
| Cutting height is too low - Use correct cutting height |
| High ground speed - Operate at slower speed |
| Incorrectly leveled mower deck - Deck needs to be adjusted properly |
| Bent or worn blades - Blades must be changed |
| Tires are not correctly inflated - Check and inflate the tires |
| Tire pressure is too low - Need to inflate tires |
| Improperly leveled mower deck - Deck should be adjusted correctly |
| Blades are excessively dull - Blades need to be sharpened |
| Blades are defective or worn - Change the blades |
| Deck clogged with grass clippings - Clean mower deck as required |
| Broken mower deck housing - Repair or change the deck |
| Mower spindle is loose or defective - Install new spindle or repair it |
| Electrical Troubleshooting |
| Battery cannot be charged |
| Corroded or loose wire connections - Clean or tighten wiring connections |
| Defective battery terminal clamps - Install new terminal clamps |
| Battery is defective - Battery change required |
| Low battery capacity - Battery needs to be recharged |
| Battery is not holding charge - Service battery or change it |
| Bad terminals or disconnected battery cables - Connect wires properly or change terminals |
| Battery is low or faulty - Recharge or replace battery |
| Battery cables are disconnected or incorrectly connected - Check cables and connect as needed |
| Low battery output - Battery is drained, charge it |
| Spark plug faulty or incorrectly gapped - Replace or clean and gap |
| Faulty solenoid or starter motor - Starter/solenoid should be replaced |
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| Lawn and Garden Tractors Technical Specs |
